Facecocking
When someone has braces, their face looks like they’re blowing on a cock, which is why they’re called facecocking.
My friend has braces and it looks like he’s blowing on a cock. I told him, 'You’re facecocking like a pro.'
She has braces and it looks like she’s sucking on a cock. I said, 'You’re facecocking like a madwoman.'
He walked in with braces and I said, 'You’re facecocking like you’re trying to beat a cock.'